<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'homework2.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
     <form action="dohomework2.jsp" method="post">
 		<table>
 			<tr>
 				<td>用户名</td>
 				<td><input type="text" name="userName"></td>
 			</tr>
 			<tr>
 				<td>密码</td>
 				<td><input type="password" name="password"></td>
 			</tr>
 			<tr>
 				<td>手机号</td>
 				<td><input type="text" name="telephone"></td>
 			</tr>
 			<tr>
 				<td><input type="submit" value="提交"></td>
 			</tr>
 			<%
 			List list = new ArrayList();
 			try{
     			Class.forName("com.mysql.jdbc.Driver");
     		}catch(ClassNotFoundException e){
     				e.printStackTrace();
    				return;
     		}
     		String url = "jdbc:mysql://localhost:3306/test";
     		String sql = "SELECT * FROM grade";
    
     		try {
     			Connection con = DriverManager.getConnection(url, "user", "123");
 				Statement ps = con.createStatement();
 				ResultSet rs = ps.executeQuery(sql);
 				
 				while(rs.next()){
 					list.add(rs.getInt("id"));
 				}
 				rs.close();
 			ps.close();
 			con.close();
 			
 		} catch (Exception e) {
 			
 			e.printStackTrace();
 		}
 			%>
 		</table>
 	</form>
  </body>
</html>
